Home / 220,163.20-330,212.40-62,407.60

Finding the Fourth Proportional to 220,163.20, 330,212.40 and 62,407.60

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Solution

The fourth proportional to 220,163.20, 330,212.40 and 62,407.60 is: 93,602.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,163.20 : 330,212.40 = 62,407.60 : x
  2. Step 2: Convert to fraction form
    220,163.20/330,212.40 = 62,407.60/x
  3. Step 3: Cross multiply
    220,163.20x = 330,212.40 × 62,407.60
  4. Step 4: Simplify right side
    220,163.20x = 20,607,763,374.24
  5. Step 5: Solve for x
    x = 20,607,763,374.24/220,163.20
  6. Step 6: Final answer
    x = 93,602.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.